/// <summary>
/// Loads all vetices from a file.
/// </summary>
/// <param name="filename"> A file containing data of edges. </param>
private void LoadEdges(string filename)
{
try
{
var reader = new DataFileReader(filename);
var processor = new EdgeListProcessor();
processor.PassParameters(edgeTables, vertices);
var creator = new CreatorFromFile <EdgeListHolder>(reader, processor);
var result = creator.Create();
this.outEdges = result.outEdges;
this.inEdges = result.inEdges;
}
catch (Exception e)
{
throw new Exception($"Loading of the edges failed. File: {filename} / Error: {e.GetType()} {e.Message}. Try checking the format of the file and the order of the properties based on the scheme.");
}
if (this.outEdges == null || this.outEdges.Count == 0)
{
throw new ArgumentException($"{this.GetType()} Out edges of the graph are empty. Filename = {filename}");
}
if (this.inEdges == null || this.inEdges.Count == 0)
{
throw new ArgumentException($"{this.GetType()} In edges of the graph are empty. Filename = {filename}");
}
}
/// <summary>
/// Loads all vetices from a file.
/// </summary>
/// <param name="filename"> A file containing data of vertices. </param>
private void LoadVertices(string filename)
{
try
{
var reader = new DataFileReader(filename);
var processor = new VerticesListProcessor();
processor.PassParameters(nodeTables);
var creator = new CreatorFromFile <List <Vertex> >(reader, processor);
this.vertices = creator.Create();
}
catch (Exception e)
{
throw new Exception($"Loading of the vertices failed. File: {filename} / Error: {e.GetType()} {e.Message}. Try checking the format of the file and the order of the properties based on the scheme.");
}
if (this.vertices == null || this.vertices.Count == 0)
{
throw new ArgumentException($"{this.GetType()}, vertices of the graph are empty. Filename = {filename}");
}
}
/// <summary>
/// Loads table types from a file.
/// </summary>
/// <param name="filename"> A file containing definitions of tables. </param>
/// <returns> A Dictionary of tables. </returns>
private Dictionary <string, Table> LoadTables(string filename)
{
Dictionary <string, Table> tables = null;
try
{
var reader = new TableFileReader(filename);
var processor = new TableDictProcessor();
processor.PassParameters(labels);
var creator = new CreatorFromFile <Dictionary <string, Table> >(reader, processor);
tables = creator.Create();
}
catch (Exception e)
{
throw new Exception($"Loading of the tables failed. File: {filename} / Error: {e.GetType()} {e.Message}. Try checking the format of the file.");
}
if (tables == null || tables.Count == 0)
{
throw new ArgumentException($"{this.GetType()}, tables of the graph are empty. File: {filename}");
}
return(tables);
}
